n = int(input())
n -= 400
ans = 8 - n//200
print(ans) n = int(input()) n int(input()) int input() input n -= 400 n 400 ans = 8 - n//200 ans 8 - n//200 8 n//200 n 200 print(ans) print ans ans = 8 - n//200 8 - n//200 ans n = int(input()) int(input()) n n -= 400 400 n
n = int(input())
n -= 400
ans = 8 - n//200
print(ans)